fix(clone): treat Clone Repo's custom folder as a parent, like Create New

src/web/public/index.html

@@ -3791,15 +3791,15 @@
             </div>
             <div class="form-row" id="cloneCustomPathToggleRow">
               <label class="checkbox-row"><input type="checkbox" id="cloneCustomPathToggle" onchange="app.toggleCloneCustomPath()"> 📁 Clone into a custom folder</label>
-              <span class="form-hint">By default the clone goes under ~/codeman-cases. Choose a folder and the repository is cloned into that folder itself (an empty folder, or one that does not exist yet); it is listed like any other case, and deleting the case only unlinks it (your files stay).</span>
+              <span class="form-hint">By default the clone goes under ~/codeman-cases. Choose a folder instead and the repository is cloned into a subfolder of it named after the case, the same way it goes under ~/codeman-cases; it is listed like any other case, and deleting the case only unlinks it (your files stay).</span>
             </div>
             <div class="form-row" id="cloneCustomPathRow" style="display:none">
-              <label>Folder</label>
+              <label>Parent Folder</label>
               <div class="path-input-group">
                 <input type="text" id="cloneCasePath" placeholder="~/projects" autocomplete="off" autocapitalize="off" autocorrect="off" spellcheck="false" oninput="app.updateCloneCasePathPreview()">
                 <button type="button" class="btn path-input-browse" onclick="app.openCloneCasePathPicker()">Browse&hellip;</button>
               </div>
-              <span class="form-hint" id="cloneCasePathPreview">Pick an empty folder, or one that does not exist yet, to clone into.</span>
+              <span class="form-hint" id="cloneCasePathPreview">Pick the folder the repository should be cloned inside. It goes into a subfolder named after the case.</span>
             </div>
             <div class="form-row">
               <label>Branch or Tag (optional)</label>

src/web/public/session-ui.js

@@ -4264,24 +4264,28 @@ Object.assign(CodemanApp.prototype, {
     const hint = document.getElementById('cloneCaseNameHint');
     if (hint) {
       hint.textContent = custom.checked
-        ? 'Filled in from the URL. Names the case only: the repository is cloned into the folder chosen below.'
+        ? 'Filled in from the URL. Names the case and the subfolder of the chosen folder the repository is cloned into.'
         : 'Filled in from the URL. Cloned into ~/codeman-cases/<name>, so deleting the case deletes this working tree.';
     }
     this.updateCloneCasePathPreview();
   },
 
-  /** The folder the repository is cloned into: exactly what the field holds (no case name is added). */
+  /** The folder the repository is cloned into: the parent field plus the case name, as Create New does. */
   _cloneTargetPath() {
-    const raw = (document.getElementById('cloneCasePath')?.value || '').trim();
+    const rawParent = (document.getElementById('cloneCasePath')?.value || '').trim();
+    const name = (document.getElementById('cloneCaseName')?.value || '').trim();
+    if (!rawParent || !name) return '';
     // Trailing slashes off, but `/` stays the root rather than becoming an empty path.
-    return raw.length > 1 ? raw.replace(/\/+$/, '') || '/' : raw;
+    return `${rawParent.replace(/\/+$/, '')}/${name}`;
   },
 
   updateCloneCasePathPreview() {
     const hint = document.getElementById('cloneCasePathPreview');
     if (!hint) return;
     const target = this._cloneTargetPath();
-    hint.textContent = target ? `Will clone into: ${target}` : 'Pick an empty folder, or one that does not exist yet, to clone into.';
+    hint.textContent = target
+      ? `Will clone into: ${target}`
+      : 'Pick the folder the repository should be cloned inside. It goes into a subfolder named after the case.';
   },
 
   openCloneCasePathPicker() {
@@ -4334,12 +4338,14 @@ Object.assign(CodemanApp.prototype, {
   onCloneNameEdited() {
     // Once the user types a name, autofill stops fighting them.
     this._cloneNameEdited = !!document.getElementById('cloneCaseName')?.value.trim();
+    this.updateCloneCasePathPreview();
   },
 
   onCloneUrlInput() {
     const url = document.getElementById('cloneRepoUrl')?.value.trim() || '';
     const nameInput = document.getElementById('cloneCaseName');
     if (nameInput && !this._cloneNameEdited) nameInput.value = this._repoNameFromUrl(url);
+    this.updateCloneCasePathPreview();
     clearTimeout(this._clonePreflightTimer);
     this._clonePreflightAbort?.abort();
     this._clonePreflightAbort = null;